Opel Automobile Owner's Manual page 152

152 Driving and operating
Natural gas refuelling
When filling with natural gas, remove
the protective cap from the filler neck.
9 Warning
Refuel only with a maximum
output pressure of 250 bar. Use
only temperature compensated
filling stations.
The refuelling procedure must be
completed, i.e. the filler neck must be
vented. Refit the protective cap.
The capacity of the natural gas tank
depends on outside temperature,
filling pressure and type of refuelling
system.
Terms for "natural gas vehicles"
abroad:
German Erdgasfahrzeuge
English NGVs = Natural Gas
Vehicles
French Véhicules au gaz naturel –
or – Véhicules GNV
Italian Metano auto
Terms for "natural gas" abroad:
German Erdgas
English CNG = Compressed
Natural Gas
French GNV = Gaz Naturel (pour)
Véhicules - or -
CGN = carburantgaz
naturel
Italian Metano (per auto)
Fuel filler cap
Only a genuine fuel filler cap provides
full functionality. Diesel-engined
vehicles have special fuel filler caps.
Fuel consumption - CO
Emissions
The determination of fuel
consumption is regulated by
European directive 80/1268/EEC
(latest edition 2004/3/EC).
The directive is oriented to actual
driving practices: Urban driving is
rated at approx. / and extra urban
1
3
driving with approx. 2 / . Cold starts
3
and acceleration phases are also
taken into consideration.
The specification of CO emission is
2
also a constituent of the directive.
The figures given must not be taken
as a guarantee for the actual fuel
consumption of a particular vehicle.
Furthermore, fuel consumption is
dependent on personal driving style
as well as road and traffic conditions.
-
2